3-1 & 3-2 Vocabulary 1.) Solution of an inequality 2.) Equivalent inequalities

3-1 & 3-2 Vocabulary 1.) Solution of an inequality2.) Equivalent inequalities

Algebra 1

3-1 Solving & Graphing Inequalities

Write a Linear InequalityEx. 1) Alex was sure that he didn’t score

less than 73 on his Algebra test. Write an inequality to describe Alex’s possible score.

Solution of an Inequality?Ex. 2) a.) -1 b.) 5

c.) 3183 x

Solve & Graph the InequalityEx. 3a)

Ex. 3b)

18x

3 5m

Assignment

ReminderWhenever you multiply or divide both sides

by a NEGATIVE number, then you switch the inequality sign.

Solving an Inequality & Graph an inequalityEx. 4)

22

p

EX. 4)Solve & graph inequality.

62 y

Graphing Linear InequalitiesThe graph of a linear inequality in one

variable is the set of points on a number line that represent all solutions of the inequality.

x < 3

x > -4

2x1x

Write each inequality in wordsEx. 4 a.) b>0

Ex. 4 b.) 13 a

Algebra 1

3.1 Solving & Graphing Inequalities